Electric bicycle



FIG. 1 is a front and left side perspective view of an electric bicycle embodying my new design;

FIG. 2 is a front and right side perspective view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof; and,

FIG. 5 is a top plan view thereof.

The broken lines in the drawings illustrate portions of the electric bicycle that form no part of the claimed design. 

CLAIM The ornamental design for an electric bicycle, as shown and described. 